Digital History ID 3573. Spain grew rich from the gold and silver it found after conquering native civilizations in Mexico and South America. However, conflict with Indians and the failure to find major silver or gold deposits made it difficult to persuade settlers to colonize there.
Congruent. Exactly equal in size and shape. Congruent sides or segments have the exact same length. Congruent angles have the exact same measure. For any set of congruent geometric figures, corresponding sides, angles, faces, etc. are congruent. Note: Congruent segments, sides, and angles are often marked.
In that same way, congruent triangles are triangles with corresponding sides and angles that are congruent, giving them the same size and shape. Because side and angle correspondence is important, we have to be careful with the way we name triangles.